update.zip
s are packages containing replacements for parts of an Android system. The packages contain all the files the update is intended to replace and a script that will do the replacement when it's run.
update.zip
s can come from OTA updates, but in some cases, it is necessary to manually download and put an update.zip
in some special folder. However, the update.zip
is still detected and applied in the same manner.
What part of Android detects and handles update.zip
s?